feat: implement user profile retrieval with roles and permissions caching

internal/repositories/role_repository.go

@@ -5,6 +5,8 @@ import (
 	"wm-backend/internal/mapper"
 	"wm-backend/internal/models"
 	db "wm-backend/sqlc_gen"
+
+	"github.com/google/uuid"
 )
 
 func CreateRole(ctx context.Context, queries *db.Queries, body models.Role) (models.Role, error) {
@@ -14,3 +16,24 @@ func CreateRole(ctx context.Context, queries *db.Queries, body models.Role) (mod
 	}
 	return *mapper.ToDomainRole(role), nil
 }
+
+// GetUserRolesByUserID retrieves all roles assigned to a user with role info.
+func GetUserRolesByUserID(ctx context.Context, queries *db.Queries, userID string) ([]models.Role, error) {
+	uid, err := uuid.Parse(userID)
+	if err != nil {
+		return nil, err
+	}
+	rows, err := queries.GetUserRolesByUserID(ctx, uid)
+	if err != nil {
+		return nil, err
+	}
+	roles := make([]models.Role, 0, len(rows))
+	for _, row := range rows {
+		roles = append(roles, models.Role{
+			ID:          row.RoleID.String(),
+			Name:        row.RoleName,
+			Description: row.RoleDescription.String,
+		})
+	}
+	return roles, nil
+}